Solved How can I split my C:\ partition into two?

I have a brand new computer with Windows 7 on it and I want to partition it so I have all of my documents and files on one partition and programs and the OS on the other. However, my computer will not let me partition my hard drive. It is a 1TB hard drive and has 881GB of free space, but when I try to partition it with diskpart it gives me this error: "Virtual Disk Service error: There is not enough usable space for this operation." I also tried to partition using Paragon Partition Manager 11 thinking that diskpart may just not be working right and it says "Wizard did not find space that can be used for creating a new partition. However, like I said I have 881 GB free. What can I do to create the partition? Am I taking the wrong route by trying to create one when I should be trying to split it (I didn't even think the latter is possible)?

I am running Win 7 Home Premium with a 1TB hard drive and 8GB of RAM (if that matters).

I also have three partitions on my hard drive (therefore it hasn't reached the limit of 4):1) System (100 MB NTFS): This doesn't show up in My Computer, but in the Computer Manager, so I don't really know what it on it, but I think it best to just leave it alone.2) OS (919.55 GB NTFS): This currently contains the OS my documents, programs and pretty much everything.3) HP_Recovery (11.68 GB NTFS): Obviously the system recovery partition.

I just did a System Recovery, so my computer is completely fresh. I have only installed Google Chrome, Paragon Partition Manager 11, Adobe Reader, my printer driver and software (HP Solution Center), and honestech VHS to DVD 3.0 SE since doing the system restore. I also currently have no files or anything on this computer other than what was mentioned about and pre-installed software. None of this should affect the ability to make partitions though, should it?

Anyway, I just to be able to split the OS Partition into two partitions (maybe 100-150 GB for the OS and programs (I download a lot of programs)) and the rest for everything else. If you can help me please do so.

click my computer, choose manage, then disk management,click on the c: drive in the bottom portion of the screen and choose shrink dive. set your sizes.then you will have anarea of free space, right click and create partion. you do not require any 3rd tools .

The information on Computing.Net is the opinions of its users. Such
opinions may not be accurate and they are to be used at your own risk.
Computing.Net cannot verify the validity of the statements made on this
site. Computing.Net and Purch hereby disclaim all responsibility
and liability for the content of Computing.Net and its accuracy.